Session 当jetty会话复制中一个hazelcast停止时,我们会得到com.hazelcast.core.MemberLeftException
我们使用hazelcast 3.6.3进行jetty 9.4的会话复制。hazelcast配置为Session 当jetty会话复制中一个hazelcast停止时,我们会得到com.hazelcast.core.MemberLeftException,session,jetty,hazelcast,embedded-jetty,Session,Jetty,Hazelcast,Embedded Jetty,我们使用hazelcast 3.6.3进行jetty 9.4的会话复制。hazelcast配置为 Config config = new Config(); config.setInstanceName(HAZELCAST_INSTANCE_NAME); // logger config config.setProperty("hazelcast.logging.type", "slf4j"); // config for session map MapC
Config config = new Config();
config.setInstanceName(HAZELCAST_INSTANCE_NAME);
// logger config
config.setProperty("hazelcast.logging.type", "slf4j");
// config for session map
MapConfig sessionMapConfig = new MapConfig();
sessionMapConfig.setName(SESSION_MAP_NAME)
.setBackupCount(2);
config.addMapConfig(sessionMapConfig);
// peer discovery with zookeeper
config.getNetworkConfig().getJoin().getMulticastConfig().setEnabled(false);
config.setProperty(GroupProperty.DISCOVERY_SPI_ENABLED, "true");
DiscoveryStrategyConfig discoveryStrategyConfig = new DiscoveryStrategyConfig(new ZookeeperDiscoveryStrategyFactory());
discoveryStrategyConfig.addProperty(ZookeeperDiscoveryProperties.ZOOKEEPER_URL.key(), serviceDiscoveryNode);
discoveryStrategyConfig.addProperty(ZookeeperDiscoveryProperties.ZOOKEEPER_PATH.key(), "sessionstore/APP");
discoveryStrategyConfig.addProperty(ZookeeperDiscoveryProperties.GROUP.key(), "cluster-name");
config.getNetworkConfig().getJoin().getDiscoveryConfig().addDiscoveryStrategyConfig(discoveryStrategyConfig);
当集群的一个成员宕机时,我们会在日志中看到这一点
2018-11-27 13:13:47,217 [WARN ] (1-thread-1) com.hazelcast.map.impl.query.MapQueryEngineImpl - [10.x.x.x]:5702 [dev] [3.6.3] Could not get results
com.hazelcast.core.MemberLeftException: Member [10.x.x.x]:5701 has left cluster!
at com.hazelcast.spi.impl.operationservice.impl.InvocationMonitor$OnMemberLeftTask.run(InvocationMonitor.java:284)
at com.hazelcast.util.executor.CachedExecutorServiceDelegate$Worker.run(CachedExecutorServiceDelegate.java:212)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76)
at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92)
at ------ End remote and begin local stack-trace ------.(Unknown Source)
at com.hazelcast.spi.impl.operationservice.impl.InvocationFuture.resolveApplicationResponse(InvocationFuture.java:387)
at com.hazelcast.spi.impl.operationservice.impl.InvocationFuture.resolveApplicationResponseOrThrowException(InvocationFuture.java:337)
at com.hazelcast.spi.impl.operationservice.impl.InvocationFuture.get(InvocationFuture.java:225)
at com.hazelcast.spi.impl.operationservice.impl.InvocationFuture.get(InvocationFuture.java:204)
at com.hazelcast.map.impl.query.MapQueryEngineImpl.addResultsOfPredicate(MapQueryEngineImpl.java:528)
at com.hazelcast.map.impl.query.MapQueryEngineImpl.invokeQueryAllPartitions(MapQueryEngineImpl.java:421)
at com.hazelcast.map.impl.proxy.MapProxyImpl.values(MapProxyImpl.java:637)
at com.hazelcast.map.impl.proxy.MapProxyImpl.values(MapProxyImpl.java:625)
at
当在会话映射配置中启用分区备份时,为什么会出现异常?
MemberLeftException
在调用或执行期间成员离开集群时抛出,但它是RetryableException
,这意味着将使用更新的成员列表重试。因此,最终它应该会自行痊愈
OTOH我知道您使用的是3.6.3,但最新的稳定版本是3.11,升级是一个好主意,考虑到此后有许多改进和修复